Pressure is measured by_________?
Correct answer: D. barometer
- A. Ammeter
- B. Voltmeter
- C. Lactometer
- D. barometer
Explanation
A barometer measures atmospheric pressure, commonly using a column of mercury or a pressure-sensitive aneroid mechanism. A voltmeter measures voltage, an ammeter current, and a lactometer the relative density of milk.
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Everyday physics explains motion, force, work, power, pressure, heat, light, sound and electricity through familiar devices and natural events. Topics include simple machines, friction, expansion, reflection and refraction, lenses, household circuits, electrical safety and magnetism, with mass distinguished from weight and heat distinguished from temperature.
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